Subbasement synonyms

What is another word for Subbasement?

basement

underground story of building
vault

underground story of building, cellar
cellar
apartment

underground story of building
subterrane

underground story of building
underground room

underground story of building
underbuilding
understructure
strong room
furnace room
substructure
subterranean room
crypt
lower ground floor
ground floor

cellar
underground floor

cellar

Synonyms for subbasement

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Synonyms for Subbasement. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/synonyms/subbasement

Synonyms for Subbasement. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/synonyms/subbasement>.

Synonyms for Subbasement. 2016. Accessed August 13, 2026. https://thesaurus.plus/synonyms/subbasement.